Public water system · IL0275600
ActiveCentralia Correctional Site
At a glance
Centralia Correctional Site (PWSID IL0275600) is an active community water system in Clinton County, Illinois. It reports serving 1,397 people through 1 service connection. Its primary water source is purchased surface water, and EPA lists it as owned by a state government. EPA's records list one violation for this system; it is not health-based, and the most recent began in April 1991.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,397
Service connections
1
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Centralia Correctional Site compare with other water systems in Clinton County?
By EPA's size categories, Centralia Correctional Site is a small system (501 to 3,300 people). Clinton County has 24 active public water systems. Its population served is roughly in line with the county average of 1,428 people per system, and accounts for 4.1% of the 34,259 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active community water system reports serving 6,703 people, so Centralia Correctional Site is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Illinois has 1,773 active community water systems, 46% of the state's 3,872 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 619 Illinois systems (16%) list purchased surface water as their primary source.
Who owns and regulates Centralia Correctional Site?
EPA lists Centralia Correctional Site as owned by a state government. The IL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 1 of the 24 active systems in Clinton County (4.2%) are also owned by a state government.
Does Centralia Correctional Site have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 1991. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1991-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
The one violation in EPA's records.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Centralia Correctional Site: frequently asked questions
Who runs Centralia Correctional Site?
Centralia Correctional Site (PWSID IL0275600) is a community water system owned by a state government. It is regulated by the IL state drinking water program.
How many people does Centralia Correctional Site serve?
Centralia Correctional Site reports serving 1,397 people through 1 service connection in Clinton County, Illinois.
Where does Centralia Correctional Site get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Centralia Correctional Site have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 1991. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Centralia Correctional Site's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list one violation for this system; it is not health-based, and the most recent began in April 1991. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Centralia Correctional Site's water quality report?
As a community water system, Centralia Correctional Site must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Clinton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Breese | Clinton | 4,772 | Community | Surface water |
| New Baden | Clinton | 4,178 | Community | Purchased surface water |
| Carlyle | Clinton | 3,373 | Community | Surface water |
| Trenton | Clinton | 2,742 | Community | Purchased surface water |
| Aviston | Clinton | 2,545 | Community | Purchased surface water |
| Clinton County East PWD | Clinton | 1,950 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Centralia Correctional Site, PWSID IL0275600, Illinois”, https://aquacensus.com/water-systems/illinois/centralia-correctional-site-il0275600 (data as of October 1, 2026).